System Managerでは、FlexGroup のバランスが低いと表示されます

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Category:: ontap-9

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環境

ONTAP 9.12.1
System Manager
FlexGroup

問題

System Managerでは、FlexGroup のバランスが「低」になっています。再バランスを実行しても、FGバランスが低くなっていると報告されます。

CLIでは、ほとんどのメンバーが45%から50%の間使用されていることがわかります。メンバーボリュームflexgroup _ 0012は62 %容量であるため、System Managerでは「low status」と表示されます。
全体的にFGはバランスがとれています。 1個のメンバーボリュームが不均衡になっています。 System ManagerのFlexGroup バランスステータスは、FlexGroup の全体的な不均衡ではなく、コンスティチュエントの最大不均衡に基づいています。

::*> vol show -volume flexgroup*
 Vserver   Volume     Aggregate   State    Type     Size  Available Used%
 --------- ------------ ------------ ---------- ---- ---------- ---------- -----
 svm1 flexgroup   -       online    RW    34.07TB   16.25TB   49%
 svm1 flexgroup__0001 aggr1_node2 online RW 1.95TB 1.02TB  45%
 svm1 flexgroup__0002 aggr1_node1 online RW 2.07TB 1.02TB  48%
 svm1 flexgroup__0003 aggr1_node1 online RW 2.00TB 1.02TB  46%
 svm1 flexgroup__0004 aggr1_node2 online RW 2.14TB 1.01TB  50%
 svm1 flexgroup__0005 aggr1_node1 online RW 2.16TB 1.02TB  50%
 svm1 flexgroup__0006 aggr1_node2 online RW 2.12TB 1.01TB  49%
 svm1 flexgroup__0007 aggr1_node2 online RW 2.06TB 1.02TB  48%
 svm1 flexgroup__0008 aggr1_node2 online RW 2.14TB 1.02TB  50%
 svm1 flexgroup__0009 aggr1_node1 online RW 2.03TB 1.02TB  47%
 svm1 flexgroup__0010 aggr1_node1 online RW 1.94TB 1.02TB  44%
 svm1 flexgroup__0011 aggr1_node1 online RW 2.16TB 1.01TB  50%
 svm1 flexgroup__0012 aggr1_node2 online RW 2.81TB 1.02TB  62%
 svm1 flexgroup__0013 aggr1_node2 online RW 2.03TB 1.02TB  47%
 svm1 flexgroup__0014 aggr1_node1 online RW 2.20TB 1.02TB  51%
 svm1 flexgroup__0015 aggr1_node1 online RW 2.17TB 1.02TB  50%
 svm1 flexgroup__0016 aggr1_node2 online RW 2.08TB 1.02TB  48%

Cluster::*> volume rebalance show Vserver: svm1 Used Size For Used by Target Imbalance Volume State Total Imbalance Snapshots Used Size % ----------- -------------- -------- --------- -------- -------- -------- ----- FG not-running 34.09TB 14.47TB 1.59TB - 989.1GB 6% FG__0001 not-running 1.95TB 747.4GB 98.32GB 925.9GB -178.6GB -19% FG__0002 not-running 2.07TB 944.2GB 29.16GB 925.9GB 18.25GB 1% FG__0003 not-running 2.00TB 753.5GB 153.3GB 925.9GB -172.4GB -18% FG__0004 not-running 2.14TB 1015GB 23.22GB 925.9GB 89.26GB 9% FG__0005 not-running 2.16TB 1010GB 47.90GB 925.9GB 84.25GB 9% FG__0006 not-running 2.11TB 841.8GB 173.6GB 925.9GB -84.2GB -9% FG__0007 not-running 2.06TB 914.6GB 45.15GB 925.9GB -11.4GB -1% FG__0008 not-running 2.14TB 973.8GB 67.26GB 925.9GB 47.85GB 5% FG__0009 not-running 2.03TB 741.5GB 194.5GB 925.9GB -184.5GB -19% FG__0010 not-running 1.95TB 777.3GB 68.98GB 925.9GB -148.6GB -16% FG__0011 not-running 2.15TB 885.0GB 168.5GB 925.9GB -40.9GB -4% FG__0012 not-running 2.81TB 1.47TB 177.6GB 925.9GB 576.1GB 62% FG__0013 not-running 2.04TB 757.4GB 179.2GB 925.9GB -168.6GB -18% FG__0014 not-running 2.20TB 951.5GB 149.1GB 925.9GB 25.52GB 2% FG__0015 not-running 2.17TB 1.02TB 21.41GB 925.9GB 121.6GB 13% FG__0016 not-running 2.08TB 952.2GB 30.36GB 925.9GB 26.23GB 2% 17 entries were displayed.

FlexGroup と最も利用率の高いFlexGroup メンバーでエラーはなく、最後にリバランシングが完了しました。

Cluster::*> volume rebalance show -instance

Vserver Name: svm1 Volume Name: FG Is Constituent: false Rebalance State: not-running Rebalance Notice Messages: - ... Rebalance Start Time: Thu Dec 15 08:15:15 2022 Rebalance Stop Time: Sat Dec 17 08:15:15 2022 Rebalance Runtime: 48h0m0s Rebalance Maximum Runtime: 48h0m0s ... Most Recent File Move Timestamp: Thu Dec 15 18:21:06 2022 File Moves Started: 1 ... Last File Move Error Timestamp: - Last File Move Error File ID: - Last File Move Error Destination Constituent DSID: - Last File Move Error Code: - ... Vserver Name: svm1 Volume Name: FG__0012 Is Constituent: true Rebalance State: not-running Rebalance Notice Messages: - ... Rebalance Start Time: Thu Dec 15 08:15:15 2022 Rebalance Stop Time: Sat Dec 17 08:15:15 2022 Rebalance Runtime: 48h0m0s Rebalance Maximum Runtime: 48h0m0s ... Most Recent File Move Timestamp: Thu Dec 15 18:21:06 2022 File Moves Started: 1 ... Last File Move Error Timestamp: - Last File Move Error File ID: - Last File Move Error Destination Constituent DSID: - Last File Move Error Code: - ... 17 entries were displayed.